Author:
Lisovskiy V.A.,Dudin S.V.,Platonov P.P.,Osmayev R.O.,Yegorenkov V.D.
Abstract
This paper is devoted to an experimental study of the dc discharge with a hollow cathode within the carbon dioxide pressure range of 0.06...2 Torr. The registered CVCs in the pressure range below 0.5 Torr possess a hysteretic pattern with transitions between glow and hollow modes. We have demonstrated that the value of the product of gas pressure and distance between cathode plates p·dh = 0.32 Torr·cm is optimum for the application of the discharge with hollow cathode for plasma conversion of the carbon dioxide when the maximum discharge current is observed. Then the cathode cavity is filled with a high density discharge. Treating the optical emission spectrum has revealed that in the negative glow there have to be present the electron flows with the energy above 18 eV, what must provide the high rate of the CO2 molecules conversion via direct electron impact. Slow electrons produced inside the negative glow itself have to supply an additional contribution to the conversion process and to make an efficient excitation of
oscillatory levels of CO2 molecules.
Publisher
Problems of Atomic Science and Technology
Subject
Marketing,Strategy and Management,Economics and Econometrics,Finance,Accounting,Business and International Management,Management of Technology and Innovation,Business and International Management,Management of Technology and Innovation,Business and International Management,Marketing,Management Information Systems,Physiology (medical),Orthopedics and Sports Medicine,Animal Science and Zoology,Energy Engineering and Power Technology,Fuel Technology,General Chemical Engineering,History,Cultural Studies,Oncology
Cited by
1 articles.
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